src/StdMeshers/StdMeshers_ProjectionUtils.hxx

   1 //  SMESH SMESH : idl implementation based on 'SMESH' unit's calsses
   2 //
   3 //  Copyright (C) 2003  OPEN CASCADE, EADS/CCR, LIP6, CEA/DEN,
   4 //  CEDRAT, EDF R&D, LEG, PRINCIPIA R&D, BUREAU VERITAS
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   8 //  License as published by the Free Software Foundation; either
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  23 //
  24 // File      : StdMeshers_ProjectionUtils.hxx
  25 // Created   : Thu Oct 26 15:37:24 2006
  26 // Author    : Edward AGAPOV (eap)
  27
  28
  29 #ifndef StdMeshers_ProjectionUtils_HeaderFile
  30 #define StdMeshers_ProjectionUtils_HeaderFile
  31
  32 #include "SMESH_StdMeshers.hxx"
  33
  34 #include <TopTools_DataMapOfShapeShape.hxx>
  35 #include <TopoDS_Edge.hxx>
  36 #include <TopoDS_Vertex.hxx>
  37 #include <TopoDS_Face.hxx>
  38
  39 #include <list>
  40 #include <map>
  41
  42 class TopoDS_Shape;
  43 class SMDS_MeshNode;
  44 class SMESH_Mesh;
  45 class SMESH_Hypothesis;
  46 class SMESH_subMesh;
  47 class TopTools_IndexedDataMapOfShapeListOfShape;
  48
  49 /*!
  50  * \brief Class encapsulating methods common to Projection algorithms
  51  */
  52 class StdMeshers_ProjectionUtils
  53 {
  54  public:
  55
  56   typedef TopTools_DataMapOfShapeShape                         TShapeShapeMap;
  57   typedef TopTools_IndexedDataMapOfShapeListOfShape            TAncestorMap;
  58   typedef std::map<const SMDS_MeshNode*, const SMDS_MeshNode*> TNodeNodeMap;
  59
  60   /*!
  61    * \brief Looks for association of all subshapes of two shapes
  62     * \param theShape1 - shape 1
  63     * \param theMesh1 - mesh built on shape 1
  64     * \param theShape2 - shape 2
  65     * \param theMesh2 - mesh built on shape 2
  66     * \param theAssociation - association map to be filled that may
  67     *                         contain association of one or two pairs of vertices
  68     * \retval bool - true if association found
  69    */
  70   static bool FindSubShapeAssociation(const TopoDS_Shape& theShape1,
  71                                       SMESH_Mesh*         theMesh1,
  72                                       const TopoDS_Shape& theShape2,
  73                                       SMESH_Mesh*         theMesh2,
  74                                       TShapeShapeMap &    theAssociationMap);
  75
  76   /*!
  77    * \brief Find association of edges of faces
  78     * \param face1 - face 1
  79     * \param VV1 - vertices of face 1
  80     * \param face2 - face 2
  81     * \param VV2 - vertices of face 2 associated with oned of face 1
  82     * \param edges1 - out list of edges of face 1
  83     * \param edges2 - out list of edges of face 2
  84     * \retval int - nb of edges in an outer wire in a success case, else zero
  85    */
  86   static int FindFaceAssociation(const TopoDS_Face&    face1,
  87                                  TopoDS_Vertex         VV1[2],
  88                                  const TopoDS_Face&    face2,
  89                                  TopoDS_Vertex         VV2[2],
  90                                  list< TopoDS_Edge > & edges1,
  91                                  list< TopoDS_Edge > & edges2);
  92
  93   /*!
  94    * \brief Insert vertex association defined by a hypothesis into a map
  95     * \param theHyp - hypothesis
  96     * \param theAssociationMap - association map
  97     * \param theTargetShape - the shape theHyp assigned to
  98    */
  99   static void InitVertexAssociation( const SMESH_Hypothesis* theHyp,
 100                                      TShapeShapeMap &        theAssociationMap,
 101                                      const TopoDS_Shape&     theTargetShape);
 102
 103   /*!
 104    * \brief Inserts association theShape1 <-> theShape2 to TShapeShapeMap
 105     * \param theShape1 - shape 1
 106     * \param theShape2 - shape 2
 107     * \param theAssociationMap - association map
 108     * \param theBidirectional - if false, inserts theShape1 -> theShape2 association
 109     * \retval bool - true if there was no association for these shapes before
 110    */
 111   static bool InsertAssociation( const TopoDS_Shape& theShape1,
 112                                  const TopoDS_Shape& theShape2,
 113                                  TShapeShapeMap &    theAssociationMap,
 114                                  const bool          theBidirectional=true);
 115
 116   static bool IsSubShape( const TopoDS_Shape& shape, SMESH_Mesh* aMesh );
 117
 118   static bool IsSubShape( const TopoDS_Shape& shape, const TopoDS_Shape& mainShape );
 119
 120   /*!
 121    * \brief Finds an edge by its vertices in a main shape of the mesh
 122    */
 123   static TopoDS_Edge GetEdgeByVertices( SMESH_Mesh*          aMesh,
 124                                         const TopoDS_Vertex& V1,
 125                                         const TopoDS_Vertex& V2);
 126
 127   /*!
 128    * \brief Return another face sharing an edge
 129    * \param edgeToFaces - data map of descendants to ancestors
 130    */
 131   static TopoDS_Face GetNextFace( const TAncestorMap& edgeToFaces,
 132                                   const TopoDS_Edge&  edge,
 133                                   const TopoDS_Face&  face);
 134   /*!
 135    * \brief Return other vertex of an edge
 136    */
 137   static TopoDS_Vertex GetNextVertex(const TopoDS_Edge&   edge,
 138                                      const TopoDS_Vertex& vertex);
 139
 140   /*!
 141    * \brief Return an oriented propagation edge
 142     * \param aMesh - mesh
 143     * \param fromEdge - start edge for propagation
 144     * \retval pair<int,TopoDS_Edge> - propagation step and found edge
 145    */
 146   static std::pair<int,TopoDS_Edge> GetPropagationEdge( SMESH_Mesh*        aMesh,
 147                                                         const TopoDS_Edge& anEdge,
 148                                                         const TopoDS_Edge& fromEdge);
 149
 150   /*!
 151    * \brief Find corresponding nodes on two faces
 152     * \param face1 - the first face
 153     * \param mesh1 - mesh containing elements on the first face
 154     * \param face2 - the second face
 155     * \param mesh2 - mesh containing elements on the second face
 156     * \param assocMap - map associating subshapes of the faces
 157     * \param nodeIn2OutMap - map containing found matching nodes
 158     * \retval bool - is a success
 159    */
 160   static bool FindMatchingNodesOnFaces( const TopoDS_Face&     face1,
 161                                         SMESH_Mesh*            mesh1,
 162                                         const TopoDS_Face&     face2,
 163                                         SMESH_Mesh*            mesh2,
 164                                         const TShapeShapeMap & assocMap,
 165                                         TNodeNodeMap &         nodeIn2OutMap);
 166   /*!
 167    * \brief Check if the first and last vertices of an edge are the same
 168     * \param anEdge - the edge to check
 169     * \retval bool - true if same
 170    */
 171   static bool IsClosedEdge( const TopoDS_Edge& anEdge );
 172
 173   /*!
 174    * \brief Return any subshape of a face belonging to the outer wire
 175     * \param face - the face
 176     * \param type - type of subshape to return
 177     * \retval TopoDS_Shape - the found subshape
 178    */
 179   static TopoDS_Shape OuterShape( const TopoDS_Face& face,
 180                                   TopAbs_ShapeEnum   type);
 181
 182   /*!
 183    * \brief Check that submeshis is computed and try to compute it if is not
 184     * \param sm - submesh to compute
 185     * \param iterationNb - int used to stop infinite recursive call
 186     * \retval bool - true if computed
 187    */
 188   static bool MakeComputed(SMESH_subMesh * sm, const int iterationNb = 0);
 189
 190   /*!
 191    * \brief Count nb of subshapes
 192     * \param shape - the shape
 193     * \param type - the type of subshapes to count
 194     * \param ignoreSame - if true, use map not to count same shapes, esle use explorer
 195     * \retval int - the calculated number
 196    */
 197   static int Count(const TopoDS_Shape&    shape,
 198                    const TopAbs_ShapeEnum type,
 199                    const bool             ignoreSame);
 200
 201   /*!
 202    * \brief Set event listeners to submesh with projection algo
 203     * \param subMesh - submesh with projection algo
 204     * \param srcShape - source shape
 205     * \param srcMesh - source mesh
 206    */
 207   static void SetEventListener(SMESH_subMesh* subMesh,
 208                                TopoDS_Shape   srcShape,
 209                                SMESH_Mesh*    srcMesh);
 210
 211 };
 212
 213 #endif